package kr.hkit.powerjava.chapter22.collection;

import java.util.HashSet;
import java.util.LinkedList;
import java.util.TreeSet;

public class SetTest2 {
	public static void main(String[] args) {
		HashSet<String> set= new HashSet<String>();
		LinkedList<String> set1= new LinkedList<String>();
		TreeSet<String> set2= new TreeSet<String>();
		set2.add("가");
		set2.add("다");
		set2.add("나");
		set2.add("라");
		System.out.println(set2);
	}
}
